Google and Facebook have brought the war of social networks to your Google Chrome browser.

On Thursday, Facebook updated its "Facebook Like" plugin for Chrome, allowing you to quickly like, recommend, or share all sorts of content you've come across in your Chrome browser with the click of a mouse.

The updated extension is available now in the Chrome Web Store. Facebook quietly launched the plugin on July 22 and updated it on Thursday.
Once downloaded, Facebook's blue thumbs-up icon appears next to your address bar. After logging in to Facebook, you can click on the thumb to share Web pages, images, videos (HTML5 only) and audio (HTML5 only) through your Facebook account; the plugin also shows you how many others have "liked" the page. According to the plugin description, the extension lets Facebook track your tab and browsing activity and IP address.

Meanwhile on Tuesday, Google+ launched a translation extension in Chrome that adds a "translate" button next to the "comment" and "share" buttons, with support for 50 different languages. And last week Google+ added an ignore option.

In early August, comScore said Google+ had reached 25 million users since launching in beta on June 28. Facebook, founded in 2004, boasts 750 million users.

Sara Yin is a junior analyst in the Software, Internet, and Networking group at PCmag.com, pouring most of her energy into app testing and security matters at Security Watch with Neil Rubenking. She lies awake at night pondering the state of mobile security (half-true).
Prior to joining PCMag.com, Sara spent five years reporting for publications in New York City (Huffington Post), Hong Kong (South China Morning Post), and Singapore (Campaign Asia, Men's Health).
Follow her on Twitter at @SecurityWatch and @sarapyin, or contact her the...
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